According to the survey, 56 percent of respondents oppose the idea – 44 percent of which said they strongly disagree. Still, 44 percent are in favor of Trump's plan.

The poll results were divided sharply along party lines, with 80 percent of Republicans backing the proposal and 88 percent of Democrats opposing it. Nearly two-thirds of independents said they disagree with the idea of arming teachers.

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Trump fielded the idea amid widespread calls for new gun control laws in the wake of a deadly shooting at Marjory Stoneman Douglas Douglas High School in Parkland, Fla. last month.

That attack left 17 people dead and 14 others injured, and prompted the revival of a fierce debate over gun restrictions and mental health.

Majorities of Americans in the new poll said they were either angry or dissatisfied with the way Trump and Congress have handled gun control.

Sixty percent described themselves as either angry or dissatisfied with Trump's handling of the matter, while even more – 76 percent – were unhappy with how Congress has dealt with the matter.

The poll also showed that a majority of Americans – 60 percent – believes that it's possible for the government and society in general to take action to prevent school shootings. Conversely, 36 percent of respondents said that such attacks will happen regardless of government action, according to the poll.

The NBC News/SurveyMonkey poll surveyed 2,857 adults from Feb. 26-28. It has a margin of error of 2.5 percentage points.